Turn right out of the parking lot – then turn right on Kreag. Turn left on Ayrault, then right on Jefferson. Turn left on 31F, then right on Baird. Take Baird all the way up to 441 – then turn left on 441. Turn left on Five Mile Line Rd. Take a right on Linden and then a left on Bluff Drive. The road will change names to North Lincoln Rd, then South Lincoln Rd, and the Marsh Rd. Take Marsh Rd all the way back to the basin and return to the parking lot.
http://www.gmap-pedometer.com/?r=7778505 (12.6 miles)
For 10.9 miles – on Baird turn left on Whitney, then left on Linden and re-join the main route
http://www.gmap-pedometer.com/?r=7778506 (10.9 miles)
For 8.6 miles – on 31F stay straight until you get to Marsh Rd, turn left and re-join the main route.
http://www.gmap-pedometer.com/?r=7778507 (8.6 miles